The rhinoceros beetle (pictured) can push around 850 times its weight.
(02 of07)
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The giant squid is the world\'s largest invertebrate, and the largest ever measured was 59 feet long. Giant squids also have the largest eyes of any animal, each one about the size of a human head.
Smallest Mammal(03 of07)
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The etruscan shrew is the smallest mammal (by weight) in the world. The smallest animal by skull size is the bumblebee bat.
Most Venomous Animal(04 of07)
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The sea wasp jellyfish (pictured) has enough venom to kill 60 adult humans.\nPhoto: Guido Gautsch/Flickr\n
Longest Migration(05 of07)
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Arctic terns migrate about 11,000 miles to the Antarctic each year...and then come all the way back!\n\nAn Arctic Tern dives down to protect its nest on June 24, 2011 on Inner Farne, England. (Dan Kitwood, Getty Images) (credit:Dan Kitwood, Getty Images)
Fastest Fish(06 of07)
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Sailfish can swim at speeds of up to 68 mph, although experts disagree as to just which species of sailfish is the fastest. \n\nSailfish jumping out of the water on January 16, 2006 in the Florida Keys, Florida. (Ronald C. Modra, Sports Imagery / Getty Images) (credit:Ronald C. Modra, Sports Imagery / Getty Images)
Longest Lifespan(07 of07)
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Three giant tortoises are estimated to have lived over 175 years, with one estimated at a whopping 255 years. \n\nImage: Harriet, who died in 2006, was thought to be the third longest-lived tortoise on record.\nCory Doctorow/Creative Commons